Incomparability graphs of \((3+1)\)-free posets are \(s\)-positive (Q1924367)
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scientific article; zbMATH DE number 935379
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Incomparability graphs of \((3+1)\)-free posets are \(s\)-positive |
scientific article; zbMATH DE number 935379 |
Statements
Incomparability graphs of \((3+1)\)-free posets are \(s\)-positive (English)
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28 January 1997
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symmetric function
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chromatic polynomial
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incomparability graph
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poset
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Schur functions
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conjecture of Stanley and Stembridge
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